期刊
PEPTIDES
卷 30, 期 3, 页码 622-632出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.peptides.2008.07.026
关键词
Pacifastin-related peptide; Serine peptidase inhibitor; Arthropod; Insect; Immune response; Species selectivity
资金
- Leuven Research Foundation [GOA 2005/06]
- Belgian Interuniversity Attraction Poles Program [IUAP/PAI P6/14]
Members of the pacifastin family are serine peptidase inhibitors, found in arthropods and have many members within different insect orders. Based on their structural characteristics, inhibitors of this peptide family are divided into two groups (I and II). Members of both groups exhibit specificity towards different types of serine peptidases. In addition, group I inhibitors display species selectivity. The specificity and selectivity of these inhibitors depends on the nature of their P1 residue and on additional interaction sites at the inhibitor's surface. Functional analysis studies have shown that crustacean pacifastin plays a key role in the immune response, whereas insect pacifastin-like peptides have multiple regulatory functions in processes involved in immunity, reproduction, phase transition, etc. (c) 2008 Elsevier Inc. All rights reserved.
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